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NM450

  • Executive standard:GB/AS PER request
  • Thickness:3-150mm
  • Delivery Status:Q+T
  • HS code:72254099
  • Product description:NM450 Wear resisting steel adopt the first Word Pinyin NaiMo and its HBW value to name the grade; 450——Show the average brinell hardness of steel plate
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——NM450

NM450 Wear resisting steel adopt the first Word Pinyin NaiMo and its HBW value to name the grade; 450——Show the average brinell hardness of steel plate


1.NM450 belong to low alloy wear resistant steel

2.Named:NM450。

3.NM450 its average HBW is 450

(International Stipulation Range of HBW:420~480)。

4.The Delivery Status NM450:quenched and Tempered 。

5.Steel Plate size, Shape, Weight and allowable Deviation: should comply with the provisions of GB/T709.

6.Steel Surface Quality:conform to GB/T 3274;

7.The provisions of this standard and acceptance inspection items of the reinspection rules shall comply with the provisions of GB/T 17505.

8.Rolled Range:3-80mm(Other thickness two sides negotiate)

9.Chemical and mechanical Property:as following Table

NM450 Chemical Property

GRADE

Chemical PropertyQuality Percent/%

C

Si

Mn

P

S

Cr

Ni

Mo

Ti

Bta

AIs

CEV

NM450

0.35

0.70

1.70

0.025

0.010

1.10

0.80

0.55

0.050

0.0005~0.006

0.010

0.6

Bta stands for Boron content

NM450 Mechanical Property

GRADE

THICK

mm

TENSIBLE STRENGTH

Rm  MP a

YIELD STRENGTH

A50 %

—20℃ IMPACT TEST

AKv / J

HBW

NM450

3~80

≥1250

≥7

≥24

420~480

Tensile strength, elongation and impact energy as the special requirements of performance, such as customer did not indicate in the contract, the only guarantee the brinell hardness.

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